I believe Jeff mentioned that experimentals would not need a form 337. Except for a possible slight CG change, adding radios or extra instruments shouldn't cause much of a change in flight characteristics or performance, thus I wouldn't think it would be considered to be a major change.
Ed Ed Janssen mailto:[email protected] ----- Original Message ----- From: <[email protected]> To: "KRnet" <[email protected]> Sent: Wednesday, February 14, 2007 12:44 PM Subject: Re: KR> Question about airworthy certificate > What about changes to the inst panel that would "enhance the safety of > flight" say adding a x-ponder, a radio or nav upgrade, or a engine > information system. Lets say you go from a "panel mount" 396 to a 496. Or > hook your lap top (moving map display) to a panel mount gps. Do any or all > of the above require a form 337 and or going back to test phase # 1? How > about a sun visor that enhances safety of flight? > > Mike Turner
